<template>
  <el-breadcrumb class="app-breadcrumb" separator="/">
    <transition-group name="breadcrumb">
      <el-breadcrumb-item v-for="(item,index) in levelList" :key="item.path">
        <span v-if="item.redirect==='noRedirect'||index==levelList.length-1" class="no-redirect">
          {{ gameName && index === 2 ? gameName + ' ' : '' }}
          {{ $t(i18nInPlant + item.meta.title) }}
        </span>
        <a v-else @click.prevent="handleLink(item)">
          {{ gameName && index === 2 ? gameName + ' ' : '' }}
          {{ $t(i18nInPlant + item.meta.title) }}
        </a>
      </el-breadcrumb-item>
    </transition-group>
  </el-breadcrumb>
</template>

<script>
import pathToRegexp from 'path-to-regexp';

export default {
  data() {
    return {
      levelList: null,
      gameName: '',
      tabCode: ''
    };
  },
  computed: {
    i18nInPlant () {
      // 如果是在道馆下，那么i18n取值则取club下的route
      // const _href = window.location.href;
      // return _href.indexOf('hall.html') !== -1 ? 'club.route.' : 'route.';
      return 'route.';
    }
  },
  watch: {
    $route() {
      this.getBreadcrumb();
    }
  },
  created() {
    this.getBreadcrumb();
  },
  methods: {
    getBreadcrumb() {
      // only show routes with meta.title
      const { query } = this.$route;
      const { meta } = this.$route;
      console.log('meta', meta);
      this.tabCode = meta.code || '';
      this.gameName = meta.activeMenu && meta.activeMenu === '/game/manage' ? query.gameName : '';
      let matched = this.$route.matched.filter(
        item => item.meta && item.meta.title
      );
      const first = matched[0];

      if (!this.isDashboard(first)) {
        matched = [].concat(
          matched
        );
      }

      this.levelList = matched.filter(
        item => item.meta && item.meta.title && item.meta.breadcrumb !== false
      );
    },
    isDashboard(route) {
      const name = route && route.name;
      if (!name) {
        return false;
      }
      return (
        name.trim().toLocaleLowerCase() === 'Dashboard'.toLocaleLowerCase()
      );
    },
    pathCompile(path) {
      // To solve this problem https://github.com/PanJiaChen/vue-element-admin/issues/561
      const { params } = this.$route;
      var toPath = pathToRegexp.compile(path);
      return toPath(params);
    },
    handleLink(item) {
      const { redirect, path } = item;
      const { query } = this.$route;
      query.gameName = query.gameName || '';
      if (redirect) {
        this.$router.push(redirect);
        return;
      }
      this.$router.push({
        path: this.pathCompile(path),
        query: query
      });
    }
  }
};
</script>

<style lang="scss" scoped>
.app-breadcrumb.el-breadcrumb {
  display: inline-block;
  font-size: 14px;
  line-height: 50px;
  margin-left: 8px;

  .no-redirect {
    color: #97a8be;
    cursor: text;
  }
}
</style>
